| 1 | //compilerhacks.h: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
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| 5 | * |
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| 6 | * This file is part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU Lesser General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * RoarAudio is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU Lesser General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU Lesser General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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| 23 | * |
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| 24 | * NOTE: Even though this file is LGPLed it (may) include GPLed files |
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| 25 | * so the license of this file is/may therefore downgraded to GPL. |
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| 26 | * See HACKING for details. |
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| 27 | */ |
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| 28 | |
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| 29 | #ifndef _ROARAUDIO_COMPILERHACKS_H_ |
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| 30 | #define _ROARAUDIO_COMPILERHACKS_H_ |
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| 31 | |
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| 32 | #if defined(__GNUC__) && __GNUC__ >= 4 |
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| 33 | #define _LIBROAR_ATTR_DEPRECATED __attribute__((deprecated)) |
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| 34 | #define _LIBROAR_ATTR_PURE __attribute__ ((pure)) |
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| 35 | #define _LIBROAR_ATTR_USE_RESULT __attribute__ ((warn_unused_result)) |
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| 36 | |
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| 37 | // gcc does not only add a warning on NULL argument for the following |
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| 38 | // but also asumes they are never NULL (but alloes them to be NULL) |
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| 39 | // and breaks our check this way. |
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| 40 | #if 0 |
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| 41 | #define _LIBROAR_ATTR_NONNULL(x, index...) __attribute__((nonnull ( x, ##index ))) |
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| 42 | #define _LIBROAR_ATTR_NONNULL_ALL __attribute__((nonnull)) |
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| 43 | #endif |
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| 44 | #endif |
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| 45 | |
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| 46 | // add more defintions for other compilers here. |
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| 47 | |
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| 48 | |
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| 49 | |
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| 50 | #ifndef _LIBROAR_ATTR_DEPRECATED |
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| 51 | #define _LIBROAR_ATTR_DEPRECATED |
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| 52 | #endif |
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| 53 | #ifndef _LIBROAR_ATTR_NONNULL |
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| 54 | #define _LIBROAR_ATTR_NONNULL(index...) |
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| 55 | #endif |
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| 56 | #ifndef _LIBROAR_ATTR_NONNULL_ALL |
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| 57 | #define _LIBROAR_ATTR_NONNULL_ALL |
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| 58 | #endif |
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| 59 | #ifndef _LIBROAR_ATTR_PURE |
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| 60 | #define _LIBROAR_ATTR_PURE |
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| 61 | #endif |
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| 62 | #ifndef _LIBROAR_ATTR_USE_RESULT |
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| 63 | #define _LIBROAR_ATTR_USE_RESULT |
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| 64 | #endif |
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| 65 | |
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| 66 | #ifndef _LIBROAR_IGNORE_RET |
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| 67 | #define _LIBROAR_IGNORE_RET(x) ((void)((x)+1)) |
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| 68 | #endif |
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| 69 | |
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| 70 | #ifndef _LIBROAR_NOATTR_TO_STATIC |
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| 71 | #define _LIBROAR_ATTR_TO_STATIC _LIBROAR_ATTR_DEPRECATED |
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| 72 | #else |
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| 73 | #define _LIBROAR_ATTR_TO_STATIC |
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| 74 | #endif |
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| 75 | |
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| 76 | #ifdef _LIBROAR_NOATTR_WARNINGS |
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| 77 | #undef _LIBROAR_ATTR_DEPRECATED |
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| 78 | #define _LIBROAR_ATTR_DEPRECATED |
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| 79 | #undef _LIBROAR_ATTR_USE_RESULT |
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| 80 | #define _LIBROAR_ATTR_USE_RESULT |
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| 81 | #endif |
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| 82 | |
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| 83 | #endif |
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| 84 | |
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| 85 | //ll |
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